Air-lift pump.



J. R. BROWN.

AIR LIFT PUMP.

APPLICATION FILED APR. 16, 1914.

Patented Apr. 25, 1916.

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wflne weo Mm svwmw r in JOHN 1R. BROWN, OF OIL CITY, LOUISIANA.

AIR-LIFT PUMP.

jjl jlflugjl Specification of Letters Patent. Paltaenhed A 25, 191% Application filed April 16, 1914. Serial No. 832,376.

5 ana, have invented certain new and useful threaded recess or socket 12 when the parts Improvements in Air Lift Pumps; and I do are assembled. The lower end of the pipe 15 hereby declare the following to be a full, 1s prov ded above the threaded portion with clear, and exact description of the invention, a multlplic ty of perforations 17 through such as will enable others skilled in the winch he a 1r may escape into the space be- 0 art to which it appertains to make and use tween the pipe 15 and the wall of the memth same, 7 her 10. These threaded perforations termi- Thi i ti l t t 11 ll apparatus nate somewhat short of the open end of the and has special reference to a device for member 10- It is to be noted that the expelling the oil from a well by means of an flanges 13, holdlng the members 10 spaced 15 air jet, the device being preferably termed 0 1 the Wall of the tubing 1n the well, an i lift pump, provide spaces through which the oil or The principal object ofthe invention is to other liquid lnthe well may rise. id an i d d i lifi d d vic Vi hen the device is used the upper end of of des ription vhich may be used in the tube 1S COnIleCted to a Suitable no connection with any ordinary oil Well or p e alr compressor not deemed 119095 other driven well, preferably with those havary here to be shown as the specific type of ing a tubular lining. o pressor does not form a part ofthis 1n- ALX econd bject of the invention is to p10- "Elli/10D- The device 18 lIltI'OdllCGd IIItO the id a d i f thi character ith an 1 well near the bottom thereof just above the 25 proved construction whereby it is properly ordinary check valve that is frequently emcentered in the well. i ployed 1n such wells. Air is then turned on With the above and other objects in view and rushes violently out of the perforations the invention consists in general of certain 17 and up through the annular space left novel details of construction and combinaetween the plpe 15 and the wall of the 30 tion of parts hereinafter fully described, member 1Q. This upwardly rushing annu- 5 illustrated in the accompanying drawings, lar jet ofair creates a partial vacuum around and specifically claimed. the member 10 and between said member and In the accompanying drawings, like charthe tubing wall of the Well. This causes the acters of reference indicate like parts in the 011 to rise in the spaces between the flanges 35 several views, and Figure 1 is a section and when the oil has risen until the air conthrough an oil well showing the device in tacts therew th theout flowing jet of air enposition therein. Fig. 2 is an enlarged detrams the oil in itself and forces the oil tail section on the line 2-2 of Fig. 1. Fig. violently out of the Well.

3 is an enlarged detail section on the line It is to be noted that the device can be 410 33 of Fig. 2. Fig. 4 is a detail view of readily applied to any existing well, is simthe lower end of the air supply pipe replc to use and has no part to get out of moved from the rest of the apparatus. order. There has thus been provided a sim- In carrying out the object of this invenple and efiicient device of the class described tion there is provided a tubular member 10 and of the character specified.

is which is closed at the bottom as at 11 and is It will be obvious that many minor provided centrally of said bottom with a changes may be made in the form and conthreaded recess 12 opening into the body of struction of this invention without departthe member 10. Extending radially around ing from the material principles thereof. It the member 10 are certain centering flanges is not therefore desired to confine the inven- 50 13 which have their ends curved as at 14: tion to the exact form herein shown and deand these flanges are so proportioned that scribed, but it is Wished to include all such they will fit neatly within the tubing of the as come properly Within the scope claimed. well, the curved ends permitting ready in- The casing of the well is indicated at A troduction and withdrawal of the device in Fig. 1 while B represents a portion of 55 from said tubing. the usual string of tubing such as is pre To all whom it may concern:

Be it known that 1, JOHN R. BROWN, a citizen of the United States, residing at Oil City, in the parish of Caddo, State of Louisi- At 15 is an air supply pipe which is made 1n sections in the usual way and the lower section of this pipe is provided with a threaded end 16 which is screwed into the ferred for a Working valve and sucker rod llld which is well adapted for the use of this Having thus described the invention, What is claimed as new, is

In a device of the kind described, a hollow cylindrical body member closed at one end, an air pipe fastened in the body member and provided With perforations in the part below the mouth of the body member, radial flanges extending from the outside of the body member and continuing the whole length thereof, the ends of the flanges being rounded to permit easy withdrawal and introduction of said member into a well.

In testimony whereof, I afiix my signature, in the presence of two witnesses.

JOHN R. BROW'N.

\Vitnesses ARTHUR J UNKIN,

J. E. Rules. 

